import android.app.Activity;
import android.graphics.Bitmap;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.LinearInterpolator;
import android.view.animation.TranslateAnimation;
import android.widget.ImageView;
import android.widget.LinearLayout;
import com.bsh.sdk.utils.DisplayUtil;
import com.bsh.sdk.utils.StringUtils;
import com.bumptech.glide.Glide;
import com.bumptech.glide.request.RequestListener;
import com.bumptech.glide.request.target.Target;
import com.pbs.xpjx.R;
import com.pbs.xpjx.applicaiton.BaseApplication;
import com.pbs.xpjx.utils.Log;
import java.lang.ref.WeakReference;
/**
* 購物車動畫
*
* @author t
* @date 2018/1/31
*/
public class AnimManager {
private WeakReference<Activity> mActivity;
private AnimListener mListener;
private long time;
private final View startView;
private final View endView;
private final String imageUrl;
private View animView;
private double scale;
private float animWidth;
private float animHeight;
private ViewGroup animMaskLayout;
private AnimManager() {
this(new Builder());
}
AnimManager(Builder builder) {
this.mActivity = builder.activity;
this.startView = builder.startView;
this.endView = builder.endView;
this.time = builder.time;
this.mListener = builder.listener;
this.animView = builder.animView;
this.imageUrl = builder.imageUrl;
this.scale = builder.scale;
this.animWidth = builder.animWidth;
this.animHeight = builder.animHeight;
}
/**
* 開始動畫
*/
public void startAnim() {
if (startView == null || endView == null) {
throw new NullPointerException("startView or endView must not null");
}
int[] startLocation = new int[2];
int[] endLocation = new int[2];
startView.getLocationInWindow(startLocation);
endView.getLocationInWindow(endLocation);
if (animView != null) {
setAnim(startLocation, endLocation);
} else if (!StringUtils.isNullOrEmpty(imageUrl)) {
createImageAndAnim(startLocation, endLocation);
}
}
private void createImageAndAnim(int[] startLocation, int[] endLocation) {
ImageView animImageView = new ImageView(getActivity());
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(DisplayUtil.dip2px(getActivity(), animWidth),
DisplayUtil.dip2px(getActivity(), animHeight));
animImageView.setLayoutParams(layoutParams);
Glide.with(getActivity()).load(imageUrl)
.asBitmap()
.listener(new RequestListener<String, Bitmap>() {
@Override
public boolean onException(Exception e, String model, Target<Bitmap> target, boolean isFirstResource) {
return false;
}
@Override
public boolean onResourceReady(Bitmap resource, String model, Target<Bitmap> target, boolean isFromMemoryCache, boolean isFirstResource) {
Log.d("-------------------------------------------");
setAnim(animImageView, startLocation, endLocation);
return false;
}
})
.into(animImageView);
}
private void setAnim(int[] startLocation, int[] endLocation) {
setAnim(animView, startLocation, endLocation);
}
private void setAnim(View v, int[] startLocation, int[] endLocation) {
animMaskLayout = createAnimLayout(getActivity());
// 把動畫小球添加到動畫層
animMaskLayout.addView(v);
final View view = addViewToAnimLayout(v, startLocation);
//終點位置
int endX = endLocation[0] - startLocation[0] + 20;
// 動畫位移的y坐標(biāo)
int endY = endLocation[1] - startLocation[1];
TranslateAnimation translateAnimationX = new TranslateAnimation(0, endX, 0, 0);
translateAnimationX.setInterpolator(new LinearInterpolator());
// 動畫重復(fù)執(zhí)行的次數(shù)
translateAnimationX.setRepeatCount(0);
translateAnimationX.setFillAfter(true);
TranslateAnimation translateAnimationY = new TranslateAnimation(0, 0, 0, endY);
translateAnimationY.setInterpolator(new AccelerateInterpolator());
translateAnimationY.setRepeatCount(0);
translateAnimationX.setFillAfter(true);
AnimationSet set = new AnimationSet(false);
set.setFillAfter(false);
set.addAnimation(translateAnimationY);
set.addAnimation(translateAnimationX);
if (scale == 1) {
// 計算屏幕最遠兩個點的直線距離
double diagonalDef = Math.sqrt(Math.pow(BaseApplication.getDeviceWidth(), 2) + Math.pow(BaseApplication.getDeviceHeight(), 2));
// 計算實際兩點的距離
double diagonal = Math.abs(Math.sqrt(Math.pow(startLocation[0] - endLocation[0], 2) + Math.pow(startLocation[1] - endLocation[1], 2)));
// 計算一個值,不同距離動畫執(zhí)行的時間不同
scale = diagonal / diagonalDef;
}
// 動畫的執(zhí)行時間,計算出的時間小于300ms默認(rèn)為300ms
set.setDuration((time * scale) < 300 ? 300 : (long) (time * scale));
view.startAnimation(set);
// 動畫監(jiān)聽事件
set.setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
v.setVisibility(View.VISIBLE);
if (mListener != null) {
mListener.setAnimBegin(AnimManager.this);
}
}
@Override
public void onAnimationRepeat(Animation animation) {
}
// 動畫的結(jié)束調(diào)用的方法
@Override
public void onAnimationEnd(Animation animation) {
v.setVisibility(View.GONE);
animMaskLayout.removeAllViews();
if (mListener != null) {
mListener.setAnimEnd(AnimManager.this);
}
}
});
}
public void stopAnim() {
if (animMaskLayout != null && animMaskLayout.getChildCount() > 0) {
animMaskLayout.removeAllViews();
}
}
private ViewGroup createAnimLayout(Activity mainActivity) {
ViewGroup rootView = (ViewGroup) mainActivity.getWindow().getDecorView();
LinearLayout animLayout = new LinearLayout(mainActivity);
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT);
animLayout.setLayoutParams(lp);
animLayout.setId(R.id.anim_icon);
animLayout.setBackgroundResource(android.R.color.transparent);
rootView.addView(animLayout);
return animLayout;
}
private View addViewToAnimLayout(final View view, int[] location) {
int x = location[0];
int y = location[1];
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
lp.leftMargin = x;
lp.topMargin = y;
view.setLayoutParams(lp);
return view;
}
/**
* 自定義時間
*
* @param time
* @return
*/
public long setTime(long time) {
this.time = time;
return time;
}
private Activity getActivity() {
return mActivity.get();
}
public void setOnAnimListener(AnimListener listener) {
mListener = listener;
}
//回調(diào)監(jiān)聽
public interface AnimListener {
void setAnimBegin(AnimManager a);
void setAnimEnd(AnimManager a);
}
public static final class Builder {
WeakReference<Activity> activity;
View startView;
View endView;
View animView;
String imageUrl;
long time;
double scale;
float animWidth;
float animHeight;
AnimListener listener;
public Builder() {
this.time = 1000;
this.scale = 1;
this.animHeight = 25;
this.animWidth = 25;
}
public Builder with(Activity activity) {
this.activity = new WeakReference<>(activity);
return this;
}
public Builder startView(View startView) {
if (startView == null) {
throw new NullPointerException("startView is null");
}
this.startView = startView;
return this;
}
public Builder endView(View endView) {
if (endView == null) {
throw new NullPointerException("endView is null");
}
this.endView = endView;
return this;
}
public Builder animView(View animView) {
if (animView == null) {
throw new NullPointerException("animView is null");
}
this.animView = animView;
return this;
}
public Builder listener(AnimListener listener) {
if (listener == null) {
throw new NullPointerException("listener is null");
}
this.listener = listener;
return this;
}
public Builder imageUrl(String imageUrl) {
this.imageUrl = imageUrl;
return this;
}
public Builder time(long time) {
if (time <= 0) {
throw new IllegalArgumentException("time must be greater than zero");
}
this.time = time;
return this;
}
public Builder scale(double scale) {
this.scale = scale;
return this;
}
public Builder animWidth(float width) {
if (width <= 0) {
throw new IllegalArgumentException("width must be greater than zero");
}
this.animWidth = width;
return this;
}
public Builder animHeight(float height) {
if (height <= 0) {
throw new IllegalArgumentException("height must be greater than zero");
}
this.animHeight = height;
return this;
}
public AnimManager build() {
return new AnimManager(this);
}
}
}
<item name="anim_icon" type="id"/>
animManager = new AnimManager.Builder()
.with(activity)
.startView(view)
.endView(iconView)
.imageUrl(logo)
.build();
animManager.startAnim();
